Home / 3,888,881,862.72-5,366,181,751.20-3,097,941,979.20

Finding the Fourth Proportional to 3,888,881,862.72, 5,366,181,751.20 and 3,097,941,979.20

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Solution

The fourth proportional to 3,888,881,862.72, 5,366,181,751.20 and 3,097,941,979.20 is: 4,274,781,364.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,881,862.72 : 5,366,181,751.20 = 3,097,941,979.20 : x
  2. Step 2: Convert to fraction form
    3,888,881,862.72/5,366,181,751.20 = 3,097,941,979.20/x
  3. Step 3: Cross multiply
    3,888,881,862.72x = 5,366,181,751.20 × 3,097,941,979.20
  4. Step 4: Simplify right side
    3,888,881,862.72x = 16,624,119,715,059,447,808
  5. Step 5: Solve for x
    x = 16,624,119,715,059,447,808/3,888,881,862.72
  6. Step 6: Final answer
    x = 4,274,781,364.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.